IOS (tm) 3600 Software (C3660-IS-M), Version 12.0(7)XK1, EARLY DEPLOYMENT RELEASE SOFTWARE (fc1)
I have a NM 4B-S/T ISDN module with 4 128K ISDN lines connected. I have set d encapsulation to ppp & d isdn switch type is basic-net3.
The problem I face is tht whenever I do a self dial 2 chk my ISDN d call last 4 only 5-10 secs & then drops immediately. At this point of time if I chk d ISDN status it shows Layer 1 as Active & Layer 2 as Not Activated. After sometime d Layer 2 automatically bcums MULTI_FRAME_ESTD. The voice calls & Video conferencing works perfectly with d same line. My service provider has also done a BERT test which gives error-free result. I will also give my ISDN config below:-
description ***** ISDN Backup to Fort Office *****
ip unnumbered Serial1/0
no ip directed-broadcast
dialer remote-name XY-XYZ02-RTR01
dialer pool 1
dialer idle-timeout 1800
dialer string 226*****
no cdp enable
ppp authentication chap
Due to this problem I have been unable to efficiently use d ISDN as a backup for my LL. I have also configured a syslog Server for the same rtr. Though my same syslog config works with my other rtrs & I do get syslog msgs on my Server...4 this rtr it doesnt work.
Plz let me know if there is a configuration mistake or there is a known bug with this IOS version. Thnx in advance
since you are using CHAP, make sure that the username and passwords on both your routers do not have typos, and that the passwords match, that is, on the router of which you have shown the partial configuration, you need a line like this:
username XY-XYZ02-RTR01 password XXXXXX
The username is case-sensitive, on the other side you need the same.
Also, and you probably have this configured, make sure that the 'dialer-list 1 protocol ip permit' statement is configured on your router.
You might want to post the full configurations of both routers, maybe there is something that can be spotted...)
Thnx both of u...I'll definitely chk abt the chap settings & will also try 2 post d entire config. But tell me 1 thing...if my chap configuration is incorrect then it will get disconnected from ISDN..accepted; but y will d physical status..Layer 2 status change from MULTI_FRAME_ESTD to NOT ACTIVATED. Also leave apart remote side dialing in, its happening with self dial itself. Anways I reply 1ce again within 2 hrs.
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